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Band-pass filter

Band-pass filter

Design and propose according to the customer's application, including the width of the wavelengths that can pass through and the wavelengths that do not pass through!

This product is a filter that only transmits specific wavelengths and cuts off other light. It is widely used in analyzers, measuring instruments, optical communication devices, sensors, and ultraviolet irradiators. It provides sharp wavelength separation and high transmittance. Fluorescent filters used for fluorescence observation require high optical density, and we can guarantee this from design to manufacturing and spectral measurement. [Application Examples] ■ Medical and Healthcare ■ Analysis and Sensing ■ Semiconductors ■ Communication *For more details, please refer to the related links or feel free to contact us.

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Visual sensitivity filter

Visual sensitivity filter

Customization of spectral transmittance is possible! Design arrangements can also be made according to your requests.

This product is an optical filter that closely approaches the standard relative spectral sensitivity defined by the International Commission on Illumination (CIE) in its spectral transmittance curve. By stacking dielectric films on glass and utilizing interference effects at the multilayer film interface, the desired transmission spectrum is achieved. It is used for measuring brightness and luminance. 【Features】 ■ Achieves less than f1'2% ■ Passes various reliability tests with a dense film ■ Customizable upon request *For more details, please refer to the related links or feel free to contact us.

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Color function filter

Color function filter

Achieving the desired transmission spectrum! Used for various applications such as luminance meters, illuminance meters, and color difference meters.

This product is a color matching filter that reproduces the sensitivity curve of the human eye, allowing cameras and sensor devices to achieve the same visual perception as humans by inserting it between them. By stacking dielectric films on glass and utilizing interference effects at the multilayer film interfaces, the desired transmission spectrum is realized. Customization of spectral transmittance and the deposition of anti-reflective coatings and UV-IR cut filters on the backside are also possible. 【Features】 ■ Achieves f1' below 2% ■ Passes various reliability tests with a dense film ■ Customizable upon request *For more details, please refer to the related links or feel free to contact us.

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Dichroic filter

Dichroic filter

Introducing our optical filters, such as UV cut filters and IR cut filters!

This product is an optical filter that utilizes light interference from thin films to reflect specific wavelengths of light while allowing other wavelengths to pass through. By allowing the desired wavelengths of light to pass through and reflecting the unwanted wavelengths, it enables wavelength separation. We offer a "UV Cut Filter" that cuts ultraviolet (UV) light while allowing visible light to pass through, an "IR Cut Filter" that cuts infrared (IR) light while allowing visible light to pass through, and a "Non-Polarized Edge Filter" that suppresses the separation of transmittance. 【Product Lineup】 ■ UV Cut Filter ■ IR Cut Filter ■ Non-Polarized Edge Filter *For more details, please refer to the related links or feel free to contact us.

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Fluorescent filter

Fluorescent filter

Achieve high-contrast fluorescent observation! Custom design available upon request.

This product is an optical filter used for fluorescence observation. It transmits only the fluorescence emitted by the target fluorescent substance while blocking the excitation light and other unwanted light, creating an environment conducive to fluorescence observation. Depending on the fluorescent reagent used, the excitation wavelength and fluorescence wavelength differ, so filters suitable for fluorescence observation are employed. 【Features】 ■ High blocking performance for excitation light and other unwanted wavelength bands ■ Measurement guarantee of OD6 ■ Achieves high-contrast fluorescence observation ■ Custom design available upon request *For more details, please refer to the related links or feel free to contact us.

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